I was wondering what the knowledgable folks here thought of the adjustable main jet (Product No. - FCAR_07_58) that Don sells?
I'm considering adding one to my late-model 5-bolt Zenith carb, but wonder if it's worth the trouble and cost. Is it really an improvement, or just a way to compensate for other problems?
I'm considering adding one to my late-model 5-bolt Zenith carb, but wonder if it's worth the trouble and cost. Is it really an improvement, or just a way to compensate for other problems?
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